160408520

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4957}}^1$

素因数の和:5777

約数の個数: 32

約数和(自身を含む): 361438200

約数和(自身を除く): 201029680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 3236, 4045, 4957, 6472, 8090, 9914, 16180, 19828, 24785, 32360, 39656, 49570, 99140, 198280, 4010213, 8020426, 16040852, 20051065, 32081704, 40102130, 80204260, 160408520]

約数ペア:

[(1, 160408520), (2, 80204260), (4, 40102130), (5, 32081704), (8, 20051065), (10, 16040852), (20, 8020426), (40, 4010213), (809, 198280), (1618, 99140), (3236, 49570), (4045, 39656), (4957, 32360), (6472, 24785), (8090, 19828), (9914, 16180)]